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Glaucoma

NEI photo simulating what a person with glaucoma sees: outer edges of vision are dark
A simulation of how a person with glaucoma might see

Are you experiencing problems with your peripheral or side vision? Do you have to turn your head to see what’s to your immediate right or left? Do you have blurred vision, nausea, and headaches? Do you see “halos” around bright lights? You might have glaucoma.

What Is Glaucoma?

Glaucoma is a group of eye diseases that can lead to blindness by damaging the optic nerve. The eye continuously produces a fluid, called the aqueous, that must drain from the eye to maintain healthy eye pressure. You can learn more in Glaucoma: An Overview.